ImportantFollow the steps in this section carefully. Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur.

To have us delete the 001e660e registry value, go to the "Here's an easy fix" section. If you prefer to delete the 001e660e registry value yourself, go to the "Let me fix it myself" section.

Here's an easy fix

To delete the 001e660e registry value automatically, click the Download button. In the File Download dialog box, click Run or Open, and then follow the steps in the easy fix wizard.

Running this easy fix solution will delete the 01e660e value from the registry for all Outlook profiles where it is blank.

This wizard may be in English only. However, the automatic fix also works for other language versions of Windows.

If you’re not on the computer that has the problem, save the easy fix solution to a flash drive or a CD, and then run it on the computer that has the problem.

Let me fix it myself

Easy fix 51032

To manually delete the 001e660e registry value, follow these steps:

Exit Outlook.

Start Registry Editor:

In Windows 7, click Start, type regedit in the Search programs and files text box, and then click regedit.exe in the search results.

In Windows 8, move your mouse to the upper-right corner, click Search type regedit in the search text box, and then click regedit.exe in the search results.

Locate and then select the following registry subkey for your version of Outlook:

When a result is found, make sure that it is listed under the correct <profile name> subkey.

Note View the data of the 001e660E registry value to determine whether it is blank. If it is blank, this confirms the cause of the OAB download issue.

Right-click the 001e660E registry value, and then click Delete.

More Information

Value data for the 001e660e registry entry is used to control where the OAB files are stored by Outlook. If the value data for the 001e660e registry entry is missing, Outlook cannot store the OAB files successfully. The registry entry is located in the following registry subkey.

To determine the subkey that varies for each Outlook profile, search the <profile name> subkey for the 001e660e registry entry. To do this, see method two in the resolution section.

The registry value does not exist by default in most Outlook profiles. It typically exists only if you have configured an Outlook profile by using a .prf file that has the setting that specifies the path for the OAB files.